increase of cooperation, which is here extended to all two-player social dilemmas. In addition, we discuss the role of the …

Evolution of cooperation by reciprocity has been studied using two-player and n-player repeated prisoner’s dilemma … cooperation when less generous, and better at maintaining a long-term cooperation in the presence of rare defectors when more …

There is continuing debate about what explains cooperation and self-sacrifice in nature and in particular in humans …

Mutation-generated variation in behavior is thought to promote the evolution of cooperation. Here, we study this by … populations. First, we show how cooperation can evolve through the direct effect of mutation, i.e., the fitness impact that …) for which cooperation can be favored by an indirect effect of mutation, i.e., the fitness impact that individuals …

We study the evolution of cooperation in group interactions where players are randomly drawn from well … voluntary participation. We first study how prescribed stochastic opting-out affects cooperation in finite populations, and then … both genetic and behavioral evolution mechanisms. Moreover, in the model, cooperation is favored by natural selection over …